{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["concept or principle", "biomedical", "process characterization", "material", "application", "machine or equipment"], "input": "IFF melts a metal wire or powder with a plasma welding torch to form an object ."}
{"concept or principle": [], "biomedical": [], "process characterization": [], "material": ["metal wire", "powder"], "application": [], "machine or equipment": ["plasma welding torch"]}